Emhass

Fix
- Updated default values for a working LP solver.
- Removed option to provide a custom web ui url.
- Added extra runtime parameters to use solcast PV forecast.

Improvement
- Improving documentation, added more information on forecast page.
- Added support for SolCast PV production forecasts.
- Added possibility to pass some optimization parameters at runtime.
- Added some unittest for passing data as list testing.
Fix
- Fixed small bug on webserver using pandas sum function for non numeric data. This was throwing the following message: Dropping of nuisance columns in DataFrame reductions (with 'numeric_only=None') is deprecated.

Fix
- Fixed wrong variables names for mixed forecasts.
- Fixed handling of load sensor name in command line setup function.

Improvement
- Improving documentation, added "what is this" section and added some infographics.
- Added new forecasts methods chapter in documentation.
- Added publish of sensors for p_grid_forecast & total value of cost function.
- Implemented now/current value forecast correction when using MPC.

Fix
- Fixed small bug with wrong DF variable name in web server.

Improvement
- Added one more table to the webui showing the cost totals.
Fix
- Fixed wrong type error when serializing numpy ints. Converted ints to Python type.